Astronomers using the Swiss 1.2-metre Euler telescope at ESO's La Silla Observatory in Chile have found a new type of variable star. The discovery was based on the detection of very tiny changes in brightness of stars in ...
Astronomy
Jun 12, 2013
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(Phys.org) —Look at the bright star in the middle of this image. It appears as if it just sneezed. This sight will only last for a few thousand years—a blink of an eye in the young star's life.
Astronomy
Dec 29, 2013
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A team of astronomers including Carnegie's Ian Thompson have managed to improve the measurement of the distance to our nearest neighbor galaxy and, in the process, refine an astronomical calculation that helps measure the ...
Astronomy
Mar 6, 2013
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Astronomers using the VISTA telescope at ESO's Paranal Observatory have discovered a previously unknown component of the Milky Way. By mapping out the locations of a class of stars that vary in brightness called Cepheids, ...
Astronomy
Oct 28, 2015
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Using the Cerro Tololo Inter-American Observatory (CTIO), astronomers have detected more than 300 pulsating variable stars by observing the Milky Way's satellite galaxy Antlia 2 (or Ant 2 for short). The finding, reported ...
(PhysOrg.com) -- Modern astronomy sometimes makes discoveries by looking in new places, the distant universe for example, using telescopes and instruments that extend the previous limits of detection.
Astronomy
Feb 26, 2010
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The Ancient Egyptian papyrus Cairo 86637 calendar is the oldest preserved historical document of naked eye observations of a variable star, the eclipsing binary Algol - a manifestation of Horus, a god and a king. This calendar ...
Space Exploration
Dec 17, 2015
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South African astronomers have discovered the very first known stars in the flared disk of our Milky Way Galaxy. These stars are situated on the far side of our Galaxy, 80 thousand light years from the Earth and beyond the ...
Astronomy
May 14, 2014
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(PhysOrg.com) -- The star Chi Cygni is located about 550 light-years away, in the direction of the constellation of Cygnus the Swan. It is a notable star because, unlike the sun which still burns hydrogen and is in its mature ...
Astronomy
Dec 21, 2009
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Using the Gemini Observatory, astronomers have detected 15 new periodic and non-periodic variables in a nearby galaxy known as NGC 247. The finding, reported in a paper published July 29 on the arXiv pre-print repository, ...
